Browse TRAIL Inventories

Physiological factors of mine ventilation

Explosions in Pennsylvania coal mines, 1870-1932

Bureau of Mines apparatus for demonstrating electrical ignition of mine gas

Laboratory equipment for the analysis of mine atmospheres

Frictional ignition of gas by mining machines

Portable methane detectors :effects of gases in mine atmospheres

Methane emission from U.S. coal mines :a survey

Instruments for detecting gas in underground mines and tunnels

Methane emission from U.S. coal mines in 1973,a survey: a supplement to IC 8558

Methane emission from U.S. coal mines in 1975 :a survey : a supplement to Information circulars 8558 and 8659

Evaluating ventilation parameters of three coal mine gobs

True flammable gas detecting system


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